let a = 6;
let b = 9;
function zipTag(strings, ...expressions) {
  return strings[0] +
    expressions.map((e, i) => `${e}${strings[i + 1]}`)
      .join('');
}
let taggedResult = zipTag`${a} + ${b} = ${a + b}`;
console.log(taggedResult);     // "6 + 9 = 15"

console.log('\u00A9')
console.log(String.raw`\u00A9`)
console.log(`first line\nsecond line`)
console.log(String.raw`first line\nsecond line`)
